Specification: For screw: Dia. 15-300 mm Length 300-9000 mm L/D ratio: 15-50 Fro barrel: Dia. 30-500 mm Length 300-8000 mm Material Available: Nitriding Steel: 42CrMo, 38CrMoALA, etc Cool work steel: D2, SKD61, 9Cr18MoV etc. Heat resistant steel: SKH51, GH113 etc. Technical Index: Steel Material 38CrMoALA,SKD61.,D2 etc. Hardness after Hardening&Termpering HB240-280 Nitriding Treatment � 96 hours Surface Hardness 58-64 HRC Nitrided layer depth 0.5-0.8mm Surface Roughness Ra0.4 Screw Straightness 0.015mm Chromium-Plated Surface Hardness after nitriding �900HB Chromium-Plating Layer Thickness 0.05-0.10 mm Bimetallic Layer Hardness 50-65 HRC Depth of Alloy Layer 0.8-2.0 mm Grade Material Process Standard grade 38CrMoAlA Nitriding 96 hours Bimetallic grade 38CrMoAlA HP/HVOF TC-A grade Tungsten carbide 40% Centrifugal casting TC-B grade Tungsten carbide 25% Centrifugal casting TC-C grade Tungsten carbide 10% Centrifugal casting screw barrel for Engel injection molding machine has been presented above, want more similar products, please click screw and barrel for Engel injection molding machine. Our screw barrel for Engel injection molding machine is good in quality and competitive in price. We manufacture screw barrel for Engel injection molding machine and supply OEM, ODM service according to your requirement. If you want more detailed information of this product or related problems, please contact with us, we will reply as soon as possible (general in 24 hours).